This entertaining film for young people, which will make you laugh and cry, is about a girl who suddenly one day isable to talk to things(the things = her possessions). Oneday, suddenly, high school girl Mai is able to talk to things like her scrunchy and mechanical pencil. Mai clashes with her best friend Yuko as she causes trouble, and they growup as a result.

When the evil Dr. Hell attacks the Earth, the mighty giant mecha Mazinger Z is formed to stop him.